Dial for a lock



FIG. 1 is a top, front, and left side perspective view of a dial for a lock showing our new design;

FIG. 2 is a right side elevational view thereof; and,

FIG. 3 is a front elevational view thereof.

In FIGS. 1, 2 and 3, the body and shackle of the lock is shown in phantom. 

The ornamental design for a dial for a lock, as shown and described. 